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Esercitazione Bootstrap 3

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Bootstrap è il framework HTML, CSS e JavaScript più popolare per lo sviluppo di siti Web reattivi per dispositivi mobili.

Bootstrap è completamente gratuito da scaricare e utilizzare!

Inizia subito a imparare Bootstrap » Impara Bootstrap

Provalo tu stesso Esempi

Questo tutorial Bootstrap contiene centinaia di esempi Bootstrap.

Con il nostro editor online, puoi modificare il codice e fare clic su un pulsante per visualizzare il risultato.

Pagina Bootstrap reattiva

Esempio Bootstrap

<div class="jumbotron text-center">
  <h1>My First Bootstrap Page</h1>
  <p>Resize this responsive page to see the effect!</p>
</div>

<div class="container">
  <div class="row">
    <div class="col-sm-4">
      <h3>Column 1</h3>
      <p>Lorem ipsum dolor..</p>
    </div>
    <div class="col-sm-4">
      <h3>Column 2</h3>
      <p>Lorem ipsum dolor..</p>
    </div>
    <div class="col-sm-4">
      <h3>Column 3</h3>
      <p>Lorem ipsum dolor..</p>
    </div>
  </div>
</div>

Fai clic sul pulsante "Provalo tu stesso" per vedere come funziona.

Esercizi di bootstrap

Mettiti alla prova con gli esercizi

Esercizio:

Aggiungi il nome della classe corretto per trasformare l'elenco sottostante in un menu di impaginazione.

<ul class="">
  <li><a href="#">1</a></li>
  <li><a href="#">2</a></li>
  <li><a href="#">3</a></li>
  <li><a href="#">4</a></li>
  <li><a href="#">5</a></li>
</ul>

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Bootstrap References

At W3Schools you will find a complete Bootstrap reference of all CSS classes, Components, and JavaScript plugins - all with "Try it Yourself" examples:

Complete List of All Bootstrap ClassesPopular
Bootstrap CSS Text/Typography Bootstrap CSS Buttons Bootstrap CSS Forms Bootstrap CSS Helpers Bootstrap CSS Images Bootstrap CSS Tables
Bootstrap Components Dropdowns Bootstrap Components Navs Bootstrap Components Glyphicons
Bootstrap JS Affix Bootstrap JS Alert Bootstrap JS Button Bootstrap JS Carousel Bootstrap JS Collapse Bootstrap JS Dropdown Bootstrap JS Modal Bootstrap JS Popover Bootstrap JS Scrollspy Bootstrap JS Tab Bootstrap JS Tooltip

Bootstrap Themes / Templates

We have made some Bootstrap Templates you can play around with. They are completely free to use:

Azienda a tema

Browse Themes

Modelli

Browse Basic Templates

Bootstrap 5 vs. Bootstrap 3 & 4

This tutorial follows Bootstrap 3, which was released in 2013. However, we also cover newer versions; Bootstrap 4 (released 2018) and Bootstrap 5 (released 2021).

Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheets, more responsiveness etc. It supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported.

The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has switched to JavaScript instead of jQuery.

Note: Bootstrap 3 and Bootstrap 4 is still supported by the team for critical bugfixes and documentation changes, and it is perfectly safe to continue to use them. However, new features will NOT be added to them.

Did You Know?

W3.CSS is an excellent alternative to Bootstrap.

W3.CSS is smaller, faster, and easier to use.

If you want to learn W3.CSS, go to our W3.CSS Tutorial.


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